TABLE 3

Hospital Readmission Rate as a Function of Demographic Characteristics and Exposures

Variablen (%)Hospital Readmission, n (%)P
Race (N = 619)<.001
 White198 (32.0)14 (7.1)
 African American355 (57.4)77 (21.7)
 Multiracial60 (9.7)11 (18.3)
 Other6 (1.0)1 (16.7)
Income (N = 613).009
 <$15 000221 (36.1)44 (19.9)
 $15 000–$29 000165 (26.9)29 (17.6)
 $30 000–$44 99983 (13.5)18 (21.7)
 $45 000–$59 99936 (5.9)6 (16.7)
 $60 000–$89 99964 (10.4)4 (6.2)
 >$90 00044 (7.2)0 (0)
Caregiver education (N = 595).002
 Eighth grade or less3 (1)2 (66.7)
 More than eighth grade, no high school90 (15.1)21 (23.3)
 High school graduate163 (27.4)27 (16.6)
 Some college176 (29.6)27 (15.3)
 2-year college75 (12.6)15 (20.0)
 4-year college and above88 (14.8)3 (11.5)
Gender (N = 619).73
 Male404 (65.3)69 (17.1)
 Female215 (34.7)34 (15.8)
Use of controller medication for asthma (N = 618)<.001
 Yes249 (40.3)57 (22.9)
 No369 (59.7)45 (12.2)
Any reported tobacco exposure (N = 619).21
 Yes217 (35.1)42 (19.4)
 No402 (64.9)61 (15.2)
Serum cotinine above LODa (N = 619).03
 Yes347 (56.1)68 (19.6)
 No272 (43.9)35 (12.9)
Salivary cotinine above LODa (N = 619).007
 Yes493 (79.6)92 (18.7)
 No126 (20.4)11 (8.7)
  • a Dichotomized on the basis of values being either above or below the LOD.